package com.dhb.pattern.strategy.pay;

/**
 * 功能描述：订单类
 * 创建人：citymoon
 * 创建日期：2019/5/21
 */
public class Order {
    private String uid;
    private String orderId;
    private double amount;

    public Order(String uid, String orderId, double amount) {
        this.uid = uid;
        this.orderId = orderId;
        this.amount = amount;
    }

    //完美地解决了 switch 的过程， 不需要在代码逻辑中写 switch 了
    //更不需要写 if else if
    public PayState pay(){
        return pay(PayStrategy.DEFAULT_PAY);
    }

    public PayState pay(String payKey) {
        Payment payment = PayStrategy.get(payKey);
        System.out.println("欢迎使用"+payment.getName());
        System.out.println("本次交易金额为："+amount+",开始扣款......");
        return payment.pay(uid, amount);
    }
}
